Flight Route · Domestic
Houston → Seattle
IAH to SEA
George Bush Intercontinental Airport to Seattle–Tacoma International Airport: 1,872 miles (3,013 km), about 4h 16m airborne, −2h time-zone shift on arrival.
Distance
1,872 mi
3,013 km
Flight time
4h 16m
block time, approx
Time-zone shift
−2h
Chicago → Los_Angeles
International?
No (domestic)
United States
Airlines serving both airports
These carriers operate scheduled service from both IAH and SEA. Direct service on this specific route depends on season and equipment — confirm with your booking source.
IAH–SEA questions, answered
How long is the flight from Houston to Seattle?
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A direct flight from George Bush Intercontinental Airport (IAH) to Seattle–Tacoma International Airport (SEA) takes approximately 4h 16m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from IAH to SEA?
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The great-circle distance from George Bush Intercontinental Airport to Seattle–Tacoma International Airport is approximately 1872 miles (3013 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between Houston and Seattle?
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Seattle is −2h relative to Houston. America/Chicago → America/Los_Angeles.
Which airlines fly from IAH to SEA?
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Carriers serving both endpoints include UA, WN. Direct service depends on the specific carrier and season — confirm with your booking source for current schedules.
Is this an international flight?
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No — both Houston and Seattle are in United States, so this is a domestic flight.
Can I track IAH–SEA flights on TripDesk365?
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Yes. TripDesk365 imports your booking confirmations from your inbox, identifies the route, and shows real-time status — gate changes, delays, and live aircraft position. Free for 14 days.
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